How do you write the scientific name delis cactus correctly

Which of the following is considered to be a vector?               a.  temperature    b.  velocity    c.  time    d.  mass

Anne applies a force on a toy car and makes it move forward. what can be said about the forces acting on the toy car at the moment anne applies the force?

Ameter stick is pivoted at the 0.50-m line. a 3.0-kg object is hung from the 0.15-m line. where should a 5.0-kg object be hung to achieve equilibrium (the meter stick oriented horizontal and motionless)?